Just hit the same. I noted that the duplicated messages, were messages never fully moved in the first place. They ghosted in the original folder, and the ghosts were copied.
The folders this happens to also does not have working folder properties. Nothing you change in folder properties have ANY effect and are immediately lost -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to kdepim in Ubuntu. https://bugs.launchpad.net/bugs/883459 Title: KMail duplicates emails To manage notifications about this bug go to: https://bugs.launchpad.net/kdepim/+bug/883459/+subscriptions -- kubuntu-bugs mailing list kubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs